package com.hnguigu.mapper;

import com.hnguigu.pojo.Users;

public interface UsersMapper {
    int deleteByPrimaryKey(Integer id);

    int insert(Users record);

    int insertSelective(Users record);

    Users selectByPrimaryKey(String username);
    int byname(String username);
    int updateByPrimaryKeySelective(Users record);

    int updateByPrimaryKey(Users record);
}